− q 19 / 2 + 5 q 17 / 2 − 10 q 15 / 2 + 16 q 13 / 2 − 20 q 11 / 2 + 22 q 9 / 2 − 22 q 7 / 2 + 17 q 5 / 2 − 13 q 3 / 2 + 6 q − 3 q + 1 q 3 / 2 {\displaystyle -q^{19/2}+5q^{17/2}-10q^{15/2}+16q^{13/2}-20q^{11/2}+22q^{9/2}-22q^{7/2}+17q^{5/2}-13q^{3/2}+6{\sqrt {q}}-{\frac {3}{\sqrt {q}}}+{\frac {1}{q^{3/2}}}}
